/**
 * Copyright (C) 2015 The Gravitee team (http://gravitee.io)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.gravitee.repository.bridge.server.utils;

import java.util.regex.Matcher;
import java.util.regex.Pattern;

/**
 * @author David BRASSELY (david.brassely at graviteesource.com)
 * @author GraviteeSource Team
 */
public class VersionUtils {

    private static final Pattern VERSION_PATTERN = Pattern.compile("([0-9]+)\\.([0-9]+)\\.([0-9]+)(-SNAPSHOT)?");

    public static Version parse(String input) {
        Matcher matcher = VERSION_PATTERN.matcher(input);

        if (matcher.matches()) {
            return new Version(Integer.parseInt(matcher.group(1)), Integer.parseInt(matcher.group(2)), Integer.parseInt(matcher.group(3)));
        }

        return null;
    }

    public static class Version {

        private final int major;

        private final int minor;

        private final int patch;

        public Version(int major, int minor, int patch) {
            this.major = major;
            this.minor = minor;
            this.patch = patch;
        }

        public int major() {
            return major;
        }

        public int minor() {
            return minor;
        }

        public int patch() {
            return patch;
        }
    }
}
